bacterial GI Flashcards
1
Q
S aureus
A
a
2
Q
C botulinum
A
spore forming
toxin or spore ingestion
flaccid paralysis
heat labile
3
Q
C perfringens
A
spore forming
meat products/gravies below recommended temps
heat labile enterotoxin
4
Q
B cereus
A
spore forming
preformed toxin = emetic, heat stable
spore ingestion = diarrheal, heat labile
5
Q
H pylori
A
microaerophilic flagellated VacA --> toxic vacuole accumulation CagA --> cytoskeletal disruption urea breath test
6
Q
L monocytogenes
A
motile, tumbling motility test positive heat labile grows at low temps and wide pH range cold enrichment internalin A, listeriolysin O, ActA large outbreaks ready to eat meats pregnant women meningitis, encephalitis
7
Q
EPEC
A
peds watery diarrhea WITHOUT FEVER microvilli destruction A/E lesions ferments lactose indole positive
